________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
She________hernervousnesstotheimportanceoftheinterview.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.